Chair



FIG. 1 is a top plan view showing my new design for a chair;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side view thereof, the left side being a mirror image thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a perspective view thereof as viewed from the front right. 

The ornamental design for a chair, as shown and described. 